Güncel Gönderiler: Makine Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 99, listelenen: 41-60
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Synthesis and optical properties of II–VI semiconductor quantum dots: a review
(Springer, 2023)The unique architectures of semiconductor quantum dots (QDs) and one-dimensional (1D) nanostructures give rise to a fascinating array of optical and electronic properties, making them useful for numerous industrial and ... -
Improved performance of D149 dye-sensitized ZnO-based solar cell under solvents activation effect
(Springer, 2023)The various solvents (2,2,2-Trifluoroethanol, 1-propanol, Ethanol and Acetonitrile) effect to improve performance of D149 dye-sensitized ZnO-based solar cells predicted using a quantum mechanical model are investigated. ... -
Ab initio predictions of the structural, electronic, optical, elastic, and thermoelectric properties of quasi-two-dimensional BaFZnP
(Elsevier, 2023)We studied the structural parameters, elasticity, electronic structure, linear optical spectra, and thermoelectric coefficients of quasi-two-dimensional BaFZnP using ab initio methods. The computed equilibrium coordinates ... -
Combustion synthesis, characterization, and photodegradation performance of La2-xBixCuO4
(Elsevier, 2023)Quaternary metal oxide system of the type, La2-xBixCuO4, where x = 0, 0.01, 0.03, 0.06, 0.08 have been synthesized by the combustion method. The crystalline phases and purity of nanostructures were confirmed by X-ray ... -
First-principles calculations to investigate electronic, magnetic and half-metallic ferromagnetic properties of full-Heusler Mn2OsSn
(Taylor and Francis, 2023)The structural, electrical, magnetic, and elastic characteristics of the Mn2OsSn full-Heusler compound have all been studied using the full potential linearised augmented plane (FP-LAPW) method. The study's exchange and ... -
Elastic, electronic, thermal and magnetic investigations of PrX2 (X = Fe,Ru) superconductors materials
(Elsevier, 2023)The structural, elastic, electronic properties, thermal properties and magnetic hyperfine field and thermoelectric response of Laves phase PrFe2 and PrRu2 compounds are researched by using density functional theory via ... -
A review of piezoelectric MEMS sensors and actuators for gas detection application
(Springer, 2023)Piezoelectric microelectromechanical system (piezo-MEMS)-based mass sensors including the piezoelectric microcantilevers, surface acoustic waves (SAW), quartz crystal microbalance (QCM), piezoelectric micromachined ultrasonic ... -
Sustainable Supplier Evaluation in an Automotive Company Using Fuzzy Multi-Criteria Decision-Making Methods
(World Scientific Publishing, 2022)Sustainable supplier management literature is mainly on sustainable supplier selection but sustainable supplier performance monitoring & evaluation studies are scarce. Furthermore, the studies do not differentiate the ... -
Mid-infrared optical coherence tomography as a method for inspection and quality assurance in ceramics additive manufacturing
(Elsevier, 2022)In the past decade, significant progress has been made in ceramics additive manufacturing (AM). Material research and the rapid evolution of high-resolution printing technologies enabled the production of high-quality, ... -
On Z-Symmetric Manifold Admitting Projective Curvature Tensor
(DergiPark, 2022)The object of the present paper is to study the Z-symmetric manifold with the projective curvature tensor. At first, we study the case of Z-tensor and projective Ricci tensor being of Codazzi type. Next, we consider recurrent ... -
Failure Analysis of ATV Axles
(Springer, 2022)Indexed keywords Abstract In this study, failure analysis of the axle of a 4-wheeled vehicle was carried out. The part broke during daily use, causing an accident. The axle is made of 4340 alloy steel material. In order ... -
Separating Agricultural Goods with Image Processing and Fuzzy Inference Systems
(Springer Verlag, 2021)Fuzzy logic inference systems that give effective results about the model in systems that are difficult to establish a model; respectively, it starts with defuzzification the data structurally. Later, it enables the ... -
INVESTIGATING THE THERMAL AND STRUCTURAL RESPONSES IN HARD-FACING APPLICATION WITH THE GTAW PROCESS
(Institute of Mechanics, 2021)The gas tungsten arc welding (GTAW) process is an excellent way of performing quality hard-facing applications. The residual stresses and distortions are encountered in hard-facing. There are several methods to decrease ... -
Spacetimes admitting the Z-symmetric tensor
(Natl Inquiry Services Centre Pty Ltd, 2020)This paper aims to introduce the spacetimes admitting the Z-symmetric tensor. We investigate the properties of these spacetimes for a perfect fluid and a pressureless perfect fluid (a dust). Some theorems about the properties ... -
Kademeli Kayar Artımlı Şekillendirme Yöntemi ile Parça Üretiminin Optimizasyonu
(2020)Bu çalışmada kayar artımlı şekillendirme metodu kullanılarak,farklı açı artımlarıyla,kademeli şekillendirme yapılarak duvar açısı dik olan parçanın üretimoptimizasyonu yapılmıştır.Çalışma kapsamındasinyal/gürültü analizi ... -
DKP37 Sacının Kayar Artımlı Şekillendirme (TPIF_RL) Yöntemiyle Şekillendirme İşleminin Taguchi ve Cevap Yüzey Metodu ile Optimizasyonu
(2019)Artımlı şekillendirme yöntemi metal endüstrisinde kullanılan hızlı ve ucuz bir prototip üretim yöntemidir. Bu yöntem değişik endüstri alanlarında geniş bir kullanım potansiyeline sahiptir. Bu çalışmada; DKP37 sacının TPIF_RL ... -
Sürtünme Karıştırma Kaynağı Yapılmış Alüminyum Alaşımlarının Isı Akışının Modellemesi ve Pratik Doğrulaması
(2017)Bu makalede AA 6061-T6 alüminyum alaşımının sürtünme karıştırma kaynağının Comsol Multiphysics 3.5a ile yapılan üç boyutlu modellemesi anlatılmıştır. Simülasyon kaynak edilecek iki alüminyum levhasını, kaynak takımını ve ... -
Analysis of the residual stresses and deformations during the autogenous GTAW process
(Emerald Group Publishing Ltd, 2021)Purpose The gas tungsten arc welding (GTAW) process is a widely used process that produces quality weldments. But the high heat generation from the GTAW arc can cause extreme temperatures as high as 20,000 degrees C. The ... -
Selection of welding conditions for minimizing the residual stresses and deformations during hard-facing of mild steel
(Brodarski Institute, 2021)Hard-facing process is widely used for improving the wear resistance of mild steel. During the application of hard-facing, due to high temperatures, residual stresses and deformations may occur. The tensile residual stresses ... -
Numerical simulation of pressure loss in porous media in oscillating flow
(World Scientific and Engineering Academy and Society, 2018)In this study, the pressure loss in two types of porous media for both unidirectional and oscillatory flows is analyzed using commercial software Comsol©. The numerical results are compared with those obtained in the ...
